protists Flashcards
1
Q
general characteristics
A
- usually found in moist environments
- very diverse
- autotrophic or heterotrophic
- uni or multicellular
- diff. methods of movement
2
Q
shared characteristic of all protists
A
they are not animals, plants or fungi
3
Q
three distrinct groups of protists
A
- animal-like/protozoa
- plant-like
- fungi-like/mycota
4
Q
animal-like protists/protozoa
A
- many parasitic (cause disease)
- cannot make own food
- reproduce via binary fission
5
Q
holozoic
A
engulf food through endocytosis
6
Q
saprozoic
A
release digestive enzymes into environment and then absorb digested food
7
Q
animal-like/protozoa examples
A
- amoeba
- paramecium
- plasmodium (causes malaria)
8
Q
amoeba movement
A
- use pseudopods (fake foot)
- help w/ movement and getting food
9
Q
paramecium movement
A
- cillia
- hair-like projections allow them to move
10
Q
plant-like protists
A
- contain chloroplasts to carry out photosynthesis
- reproduce through binary fission & conjugation
11
Q
plant-like protists examples
A
- phytoplankton
- euglena
- algae
12
Q
euglena movement
A
- flagella
- tail-like projections that are used to propel the cell through water
13
Q
fungi-like protists/mycota
A
- cannot make their own food
- most are decomposers
- reproduce asexually through spores
14
Q
fungi-like protists/mycota examples
A
- slime mould
- downy mildew
15
Q
why is algae good?
A
- helps maintain healthy aquatic ecosystem
- can be used as food for humans
- used as fertilizer
- provide ⅔ of the world’s oxygen
